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On Mi, 2008-05-07 at 21:06 +0200, Thomas Gleixner wrote:
quoted text
> > [11677.490019] CPU1 is down
> > [11677.490149] Extended CMOS year: 2000
> > [11677.490149] x86 PAT enabled: cpu 0, old 0x7040600070406, new
> > 0x7010600070106
> > [11677.490747] Back to C!
> > [11677.490952] microcode: CPU0 updated from revision 0x92 to 0x92, date
> > =3D 03132007=20
> > [11677.491065] ------------[ cut here ]------------
> > [11677.491065] WARNING: at arch/x86/kernel/rtc.c:122 mach_get_cmos_time
> > +0x9e/0x14e()
>=20
> > [11677.491065]  [<ffffffff80211cdb>] mach_get_cmos_time+0x9e/0x14e
> > [11677.491065]  [<ffffffff80211da6>] read_persistent_clock+0x1b/0x35
> > [11677.491065]  [<ffffffff8024c101>] timekeeping_resume+0xb/0x120
>=20
> Interesting. That's in the resume path.
>=20
> > I wasn't able to reproduce the warning yet, but because the commit
> > message introducing the WARN_ON says:
>=20
> This is a WARN_ON_ONCE so you only see it once per boot. Resume does
> not count :) You might change that WARN_ON_ONCE to WARN_ON to check
> whether it happens more than once.
The problem is that I am currently not able to reproduce it. I've tried
~10 suspends & resumes till now. With a reboot in between. Will try some
more testing with WARN_ON though.

quoted text
> Can you please provide some details about the system ?
This is a Zepto notebook with Intel chipset (santa rosa generation) and
core2duo cpu. I'm running Ubuntu 8.04 x86_64. I attach a lspci output.
Just ask if you need more specific information.

quoted text
> Thanks,
> 	tglx
Thanks
Mirco

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